Her magic is unexplainable and spinning out of control. Darkness hid the pieces of her beloved's shattered heart and time's running out for Princess Tutu to find them. Using the power of an enchanted amulet, she must uncover the mystery and keep herself and the Prince alive. 13-year-old ballet student Ahiru is clumsy, good-hearted and sweet... and has a big secret. The mysterious Drosselmayer morphed a young duck into a girl to give her a mission: help a Prince to get the parts of his heart back. With that in mind, she morphs into Princess Tutu, whose magical dances ease the pain and purify the bad feelings.